Zhipu AI
Z.ai's video-generation API family on BigModel, including CogVideoX-3 and CogVideoX-Flash.
Quick answer
CogVideoX is a real BigModel API capability and should be tracked separately from ChatGLM.
BigModel's model overview lists CogVideoX-3 as a video-generation model and CogVideoX-Flash as a free model, with text, image and first/last-frame generation support depending on model.
Topic guideA source-backed map of the original GLM-5.3, open multimodal GLM-5.3-Flash, GLM-5.2, BigModel APIs, Coding Plan, ZCode, consumer agents and media products.
Editorial verdict
Developers who need a Z.ai video-generation API inside the BigModel stack.
Compare Kling or Hailuo before using it for no-code creator workflows.
CogVideoX is a real BigModel API capability and should be tracked separately from ChatGLM.
Usage-based video API pricing varies by model
Free model where available, Platform billing
Commercial use should follow the current product, API, model license and billing terms.
Review prompt, file, media upload, retention and training-use terms before sensitive workloads.
Use it for text-to-video, image-to-video and first/last-frame API experiments.
Model names, quotas, release status, regional access and commercial terms can change quickly; recheck official sources before procurement or production use.
kling-ai
hailuo-ai
vidu
Documentation · ZH · verified 2026-08-04
Lists CogVideoX-3 and CogVideoX-Flash video models.
Documentation · ZH · verified 2026-05-17
Lists asynchronous video-generation API documentation.
Last checked: 2026-08-04
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